You shouldn't sign the contract unless you are sure you understand it. Not on any account.除非你肯定你理解这份合同，否则的话便不应该签字—绝对不能签。Do not on any account walk home by yourself.无论如何别独自步行回家去。A doctor should not, on any account, break his confidence.医生无论如何都不能失去信心。These records must not on any account be changed.这些记录无论如何都不能改动。