兩個詞發音相同，都是[ˈkɒmplɪment]，拼寫也相似，但是，二者的意義則完全不同。
1、含義差別：
compliment[ˈkɑːmplɪmənt , ˈkɑːmplɪment]
n.恭維;稱贊;贊揚;緻意;問候;祝賀
vt.贊美;稱贊;欽佩
adj.贊美的;表示欽佩的, 免費的;贈送的;
complement[ˈkɑːmplɪment , ˈkɑːmplɪmənt]
vt.補足;補充;使完美;使更具吸引力
n.補語;補充物;補足物;足數;足額;補足語
adj. complementary 互補的;補充的;互相補足的
2、巧記秘籍：
i就像一個大拇指的樣子，自然就是： compliment某人在表達對别人的贊賞，或者因為某件事而表揚别人。
e就像一個裝滿的包裹的樣子，自然就是：complement某人的補充物，補語;補足物;足數;足額;補足語啦。
3、用法：
（1）compliment
動詞：贊美；稱贊；欽佩compliment sb (on sth)
作名詞： 贊揚；稱贊，為不可數名詞。緻意；問候；祝賀，為可數名詞。
The airline thanked the passengers for their help and complimented the captain on his initiative.
航空公司對乘客的幫助表示了感謝，并主動表揚了機長。
They complimented me on the way I looked each time they saw me.
每次見到我，他們都稱贊我的外貌。
I received several compliments on the condition of my skin
好幾個人誇我的皮膚保養得好。
It mustn't sound like a contrived compliment.
它聽起來不能像是虛情假意的恭維。
It's a great compliment to be asked to do the job.
獲聘請做這項工作是一項極大的榮譽。
She complimented him on his excellent German.
她誇獎他德語棒極了。
She complimented me on my English.
她誇獎我的英語好。
You can do no harm by paying a woman compliments...
對女人說些恭維話沒有壞處。
She may be fishing for a compliment and welcome your reassurance
她也許是在拐彎抹角地想獲得稱贊，希望得到你的肯定。
Give my compliments to your lovely wife when you write home.
寫信回家的時候，代我問候你可愛的妻子。
My compliments to the chef!
請向廚師代為緻意！
Compliments of the season!
謹緻節日的祝賀！
Compliments for Christmas or the New Year！恭賀聖誕節或新年。
Please accept these flowers with the compliments of the manager.
請接受經理送的鮮花。
Please give this to your boss with my compliments
請把這個給你的老闆，算是我的一點心意。
She made some very complimentary remarks about my English.
她對我的英語贊賞有加。
He paid her a compliment by saying her cake was the best he had eaten.
他稱贊她說她的蛋糕是他吃過的最好的。
He’s the kind of man who’s fond of paying compliments to other men’s wives.
他是那種喜歡恭維别人妻子的男人。
There was a complimentary basket of fruit in our room.
我們房間裡有一籃免費贈送的水果。（該詞亦含免費贈送之意）
（2）complement
vt.補足;補充;使完美;使更具吸引力
n.補充物;補足物;足數;足額;補足語; 補語;
adj. complementary互補的;補充的;互相補足的
We complement one another perfectly.
我們互相取長補短，堪稱完美。
The team needs players who complement each other .
球隊需要能夠互相取長補短的隊員。
There will be a written examination to complement the practical test...
會有筆試作為實踐考試的補充。
She used photographs to complement the text of the news story.
她用照片補充新聞報道的内容。
Strawberries and cream complement each other perfectly.
草莓和奶油相得益彰。
The music complements her voice perfectly.
這音樂與她的聲音相得益彰。
The recipe was delicious and the wine complemented the food beautifully.
菜很好吃，紅酒和食物也很配。
Political knowledge is a necessary complement to science in approaching solutions to these problems.
在尋找解決這些問題的方法時，需要有政治知識作為對科學知識的補充。
當complement 意為”補充物“時，後面通常跟介詞 to 連用。
We've taken our full complement of trainees this year.
我們今年接收的實習生已滿員。（n. 足數；足額）
We had a full complement of reporters and photographers along.
我們身邊有很多記者和攝影師。（n. 足數；足額）
Do you have your full complement of men?
你們人手夠嗎？（n. 足數；足額）
Two complementary exhibitions are on show at the Africa Centre
兩場互為補充的展覽正在非洲中心展出。
The team members have different but complementary skills.
隊員技術不同但能互補。
Interior design and architecture are two complementary professions.
室内設計和建築是兩門互補的專業。
The school's approach must be complementary to that of the parents.
學校與家長的教育方法必須相輔相成。