剛剛好的出手：從手上的動作到處理事情
兩個意思是同一個畫面的兩個位置：一個看得見（手），一個看不見（做法）。
adjective · C1
Describing a movement that is done well and exactly, easily and often quickly, with nothing wasted.
俐落；靈巧
核心畫面
Picture a hand that goes straight to the right place, does exactly enough, and stops. No fumbling, no second try, no effort on show. That is deft. The speed you notice is a side effect: a movement with nothing wasted in it has little left to slow it down. Both meanings of the word live in that one picture, first in the hands, then in the way a person handles a difficult job.
「deft」可以想成一隻手直接伸到對的位置，做剛剛好的力道，然後停。沒有摸索，沒有重來，也看不出在使力。這就是這個字…更多收起
「deft」可以想成一隻手直接伸到對的位置，做剛剛好的力道，然後停。沒有摸索，沒有重來，也看不出在使力。這就是這個字的畫面。你注意到的「快」其實是副產品：動作裡沒有多餘的東西，自然就慢不下來。這個字的兩個意思都住在這個畫面裡，一個留在手上，一個搬到「處理事情的方式」上。From the word’s history
Our source traces deft to Middle English defte / daft and Old English dæfte (mild, gentle), from an older word meaning fitting or suitable. A movement that fits the moment exactly, no more and no less, is what we now call deft. The same root also gave daft, which has drifted far away in meaning.
資料顯示 deft 來自中古英文 defte／daft，再往前是古英文 dæfte（溫和的），更早的一層意思是「合適、恰當」。這條線正好對上今天的用法：一個動作剛剛好，不多不少，就是俐落。同一個來源也長出了 daft（傻氣的），今天意思已經差很遠。
Wiktionary entry for deft supplied in this packet (source_ref kaikki:3f6f69a190036ae4:494390582); etymology_text quoted there.
One branch