Don't be taken in by his charming manner; he's completely ruthless.
不要被他那副讨人喜欢的外表所迷惑, 其实他冷酷无情.
He can be ruthless in getting what he wants, but I believe he would stop short of blackmail.
他这个人为达到目的是心黑手辣的, 但我认为他还不至於使用敲诈手段.
His business rivals knew they could expect no quarter from such a ruthless adversary.
他的业务对手都知道不可指望他这样无情的人会手软.
