原级：tough
toughed在线翻译
比较级：tougher
最高级：toughest
toughed的翻译
第三人称单数：toughs
第三人称复数：toughs
现在分词：toughing
1. Positions swapped regularly as the fleet toughed out typical North Sea conditions, and it was by no means certain that Ericsson 4's lead was a given thing.