1) You'd better wash your hands of this affair.
你最好洗手不干。
3) You had better work pretty hard.
你最好努力干。
4) You'd better keep your spending within bounds
你最好不要超支。
5) it may be a good idea not to pick it up.
你最好不要去捡。
6) wash one's hands of; end one's association with something or someone
不负责;洗手不干
补充资料：洗手
①洗掉手上的污垢。比喻不再做抢劫、偷盗、赌博等坏事：洗手不干｜他已金盆洗手，不再干那打家劫舍的事了。②比喻不再从事某种行业：我原先经常写一些诗歌、散文，投身商海后便洗手不作了。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条