1 [I] to move the top part of your body and head forwards, backwards or to the side （身体上半部）向前、后或旁边移动: He leaned across the table to pick up the phone. 他从桌子上俯过身去拿起电话。She leaned out of the window and waved. 她探身窗外挥挥手。Just lean back and relax. 靠着歇一会儿吧。

2 [I] to be in a position that is not straight or upright 倾斜: That wardrobe leans to the right. 那衣柜向右倾斜。

3 [I,T] lean (sth) against/on sth to rest against sth so that it gives support; to put sth in this position （使）靠在某物上: She had to stop and lean on the gate. 她不得不停下来靠在大门上。Please don't lean bicycles against this window. 请别把自行车靠在这扇窗上。