She leaned forward and whispered in my ear.
He was leaning out of the window.
Lean your head back a bit.
As I was leaning on the glass of the window, it splintered into pieces. (First Certificate in English; B2; Spanish)
She leaned her bike against the wall.
He was leaning on the fence.
She turned around and saw this boy leaning against the wall. (First Certificate in English; B2; German)
That fence is leaning to the right.
The water they had on the ship poured out as the ship leaned on one side. (Certificate of Proficiency in English; C2; Russian)
They had leaned on the dictionary as the authority that answered all their questions.
I would like to be the person my child can always lean on: I'd like to be able to express my feelings and make him express his. (Certificate of Proficiency in English; C2; Italian)
The other members will probably lean on her to get her to stay.
Piggy is the most intelligent boy of the group, but he doesn't have the streng[th] to apply his ideas to the situation they are living [in], that is why he leans on Ralph (the perfect leader-type, as he sees him). (Certificate of Proficiency in English; C2; Spanish)