c. 1200, in sailing, from Old French lof "spar," or some other nautical device, "point of sail," also "windward side," probably from Germanic (compare Middle Dutch lof "windward side of a ship" (Dutch loef), which might also be the direct source of the English word), from Proto-Germanic *lofo (cognates: Old Norse lofi, Gothic lofa "palm of the hand," Danish lab, Swedish labb "paw"), from PIE *lep- "to be flat" (see glove). As a verb from late 14c., from the noun.
实用例句
1. No heavy leading edge causing the kite to luff.
没有重的前沿导致风筝对逆风行驶.
来自互联网
2. Behind Luff has soccer association president after all the tribulus prosperous uneven standard support.