形容詞 incisive:

1. having or demonstrating ability to recognize or draw fine distinctions
   同義詞：acute, discriminating, keen, knifelike, penetrating, penetrative, piercing, sharp
2. suitable for cutting or piercing
   同義詞：piercing

in.ci.sive

adj.（形容詞）
Penetrating, clear, and sharp, as in operation or expression:
敏銳的，尖刻的：具穿透力的、清晰的與鋒利的，如在操作或表達(dá)上：
例句：
an incisive mind; incisive comments.
銳利的頭腦；尖銳的評(píng)論

【引伸】
inci.sively
adv.（副詞）
inci.siveness
n.（名詞）
<參考詞匯><同義詞>incisive,trenchant,biting,cutting,crisp,clear-cutThese adjectives are synonymous when they refer to keenness and forcefulness of thought, expression, or intellect.
這些形容詞用以表示思想、表達(dá)或才智的尖銳有力時(shí)是同義詞。
Incisive andtrenchant suggest penetration to the heart of a subject and clear, sharp, and vigorous expression:
Incisive 和trenchant 指揭示問(wèn)題中心以及清晰、銳利而強(qiáng)有力的表達(dá)：
例句：
an incisive and piquant style of writing;
鋒利、辛辣的寫作風(fēng)格；

例句：
trenchant wit.
銳利的頭腦。

Biting andcutting apply to penetration and discernment that often have a sarcastic or sardonic quality capable of wounding or stinging:
Biting 和cutting 用以指具有嘲諷、挖苦性質(zhì)，可使人受傷害或刺激的：
例句：
.Biting remarks revealed her attitude of contempt. (D.H. Lawrence).
.諷剌挖苦的話體現(xiàn)了她的輕蔑態(tài)度. (D·H·勞倫斯）。

例句：
.He can say the driest, most cutting things in the quietest of tones. (Charlotte Brontô).
.他能以最平靜的口吻說(shuō)出最冰冷、最剌人的話. （夏洛蒂·勃朗特）。

Crisp suggests clarity, conciseness, and briskness:
Crisp 有清晰，簡(jiǎn)明和爽快的含義：
例句：
a crisp retort;
干脆利落的反擊；

例句：
crisp banter.
輕松簡(jiǎn)短的玩笑。

Clear-cut specifies distinctness and sharpness of definition:
Clear-cut 特指定義的明確清晰：
例句：
The wording of the lease is so clear-cut that no one could possibly misinterpret its meaning.
契約上的措辭如此清楚明了因而沒(méi)人可能誤解它的意思