on the tip of one's tongue片语KK [ɑn ðə tɪp ʌv wʌnz tʌŋ] /ɑn ðə tɪp ʌv wʌnz tʌŋ/发音片语1就在嘴边、差点想起来Her name was on the tip of my tongue, but I couldn't say it.她的名字就在我嘴边,却怎么也说不出来。2差点说出口、险些脱口而出An apology was on the tip of his tongue, but he stayed silent.道歉的话差点脱口而出,但他还是沉默了。用这个字练口说→