keep pace with

at one's disposal

expose A to B

distinguish A from B

at the mercy of

come to one's mind

in that ~

at one's leisure

consist of

at short notice

behind the times

discourage A from doing

at the expense of

differ from

be anxious about

with regard to

on the spot

what little

at the mercy of

wind up

at will

prove to be

show off

come to light

attach A to B

ups and downs

sort out

leave school

be confronted with

in the open

attend to

appoint A to B

against one's will

on the basis of

attribute A to B

exert A on B

see to it that ~

avoid doing

be stuck with

look to