(figuratively) to jubilate, to exult, to take great delight in a situation, to be on cloud nine, to be in seventh heaven (to have a feeling of deep satisfaction)

to drink one's fill, to drink as much as one wants or needs, to have enough to drink

to have one for the road

(figuratively) to go through an unmitigatedly unpleasant experience, to see something through to the bitter end, to swallow a bitter pill

to not be an insurmountable task, an endeavour too large to handle, to not be so hard

(informal) it's a mixed bag

in for a penny, in for a pound

you can lead a horse to water but you can't make him drink

second-person plural future of boire