Young people these days don't like to go out drinking with their boss because they feel like they have to be attentive to him/her all night long which makes them tired.
ーYoung people these days don't like to go out drinking with their boss because they feel like they have to be attentive to him/her all night long which makes them tired.
「最近の若者は一晩中上司に気を使って疲れるので、上司と飲みに行きたくない。」
go out drinking with ... で「人と飲みに行く」
boss で「上司」
be attentive to ... で「…に注意を払う・神経を行き届かせる」
ご参考まで!