His efforts were unsuccessful.他的努力失败了。China has not been totally unsuccessful apprehending corruption suspects.在逮捕腐化分子方面,中国并非毫无进展.Good management often can make the difference between a successful or unsuccessful operati...
I will endeavour to arrange it.我会尽力安排。Please make every endeavour to arrive on time.请尽全力按时到达。The shuttle Endeavour will be taking the astronauts to the Hubble.“奋进”号航天飞机将把宇航员送上哈勃....