(literally) To grasp or hold a person's hand. / (idiomatic) To guide somebody through the basics or assist with excessively small details.

(idiomatic) To annoy or anger someone.

(idiomatic) To do (somebody's) job; to perform or assume (somebody's) role.

(idiomatic) To believe what someone claims, especially without checking or verifying for oneself.

To discern what someone is saying by watching the shape of the mouth rather than by hearing the sounds of the words. / (idiomatic) To pay close attention (often imperative).

(idiomatic) To bore; to talk too long, especially to one particular person. / (idiomatic) To call someone's attention to an important matter.

(figuratively) To disappoint or discourage someone by ruining or criticising their plans or aspirations.

(idiomatic) To disillusion; to disabuse someone of a false notion or rationalization that has grown comfortable.

(informal) To lecture, berate, or complain to somebody, especially to find fault or criticize.

(slang) To rescue a person from a bad situation, especially one that is life-threatening.