rat學測 L2KK [ˈræt] ｜ /ˈræt/
老鼠·卑鄙小人；叛徒·告密；出賣（同伴）
常考詞，兼具動物與貶義雙重詞意
A real friend never rats on you, no matter how much trouble you're in.
真正的朋友不管你惹上多大麻煩，都不會出賣你。
一個畫面：老鼠鬼祟竄逃
鼠竄逃跑老鼠竄逃，躲藏在暗處
背叛出賣為了利益出賣朋友
偷偷告密私下向人通報秘密
義項
廚房鼠竄C1noun老鼠
A rat ran across the kitchen floor, and everyone was scared.
一隻老鼠跑過廚房地板，大家都嚇到了。
a rat traprat poison
卑鄙背叛C1noun卑鄙小人；叛徒
He took his friend's money and ran away, so everyone called him a rat.
他拿走朋友的錢就跑掉了，所以大家都罵他是卑鄙小人。
a dirty rat
偷偷告密B1verb告密；出賣（同伴）
Don't rat on your friends, or they won't trust you again.
不要出賣你的朋友，不然他們以後就不會再信任你了。
rat on a friendrat out a friend
片語
rat race疲於奔命 →永無止盡的競爭
smell a rat嗅到蹊蹺 →察覺情況不對勁
rat out告密出賣 →向人告發某人
你會不會這樣說？
The bank offered him a lower interest ___. (rate / rat)
看答案
rate
rate 是「比率」，rat 是「老鼠」，兩字只差一個字母，發音也不同。
'He took his friend's money and ran away, so everyone called him a rat.' 這裡的 rat 最接近哪個意思？(A) 老鼠 (B) 卑鄙小人 (C) 秘密探子
看答案
(B)
此句描述人的行為與個性，對應「卑鄙小人；叛徒」義項，而非動物本身。