travail
noun [uncountable, plural] (old use or literary)an unpleasant experience or situation that involves a lot of hard work, difficulties and/or pain 艰苦劳动；煎熬；艰辛；痛苦 the travails of life in post-war Britain 战后英国生活的艰辛
Word OriginMiddle English: via Old French from medieval Latin trepalium ‘instrument of torture’, from Latin tres ‘three’ + palus ‘stake’.