一時(shí) 1.(短時(shí)間) for a short while; temporary; momentary 一時(shí)的熱情 a moment's enthusiasm; on the spur of the moment; 一時(shí)想不起來(lái) can't recall offhand (for the moment); 一時(shí)半會(huì)兒 in short while2.(一個(gè)時(shí)期) a period of time 此一時(shí)彼一時(shí)。 times have changed. 這首歌曾風(fēng)行一時(shí)。 the song had a great vogue at one time.3.(時(shí)而) now... now...: 天氣一時(shí)冷, 一時(shí)熱。 the weather is now cold, now hot