When we want to express "dragging our legs" in English, don't think directly of "pull my leg", which will make a joke. Let's take a look at the relevant expressions.
例句1：Don’t pull his leg any more. He is my friend.
Stop fooling him. He's my friend.
例句2：I hope that you won’t hold him back.
I hope you don't hold him back.
例句3：I won’t let anybody hold me back.
I'm not going to let anyone hold me back.
例句4：I am sure Tom won’t be a drag on you.
I'm sure Tom won't hold you back.
例句5：Tom has always been a drag on the group.
Tom was always dragging the team back.
例句6：Don't let discontent drag you down!
Don't let dissatisfaction drag your feet!