on the tip of one's tongue片語KK [ɑn ðə tɪp ʌv wʌnz tʌŋ] /ɑn ðə tɪp ʌv wʌnz tʌŋ/發音片語1就在嘴邊、差點想起來Her name was on the tip of my tongue, but I couldn't say it.她的名字就在我嘴邊,卻怎麼也說不出來。2差點說出口、險些脫口而出An apology was on the tip of his tongue, but he stayed silent.道歉的話差點脫口而出,但他還是沉默了。