動詞 hesitate:

1. pause or hold back in uncertainty or unwillingness
   同義詞：waver, waffle
2. interrupt temporarily an activity before continuing
   同義詞：pause

1. I hesitated about taking his side until I knew the whole story.
   我在完全了解事實真相后，才打消顧慮，支持他的立場。
2. She hesitated to hurt the child's feelings.
   她不想傷害孩子的感情。

hes.i.tate

v.intr.（不及物動詞）
hes.i.tat.ed,hes.i.tat.ing,hes.i.tates

To be slow to act, speak, or decide.
猶豫：行事、說話或做決定遲緩
To pause in uncertainty; waver.
停頓：在不確定中停下來；動搖
To be reluctant.
不情愿
To speak haltingly; falter.
言語支吾：說話停停頓頓；說話結結巴巴

來源：
Latin haesit3re haesit3t- [to hesitate] [frequentative of] haerôre [to hold fast]
拉丁語 haesit3re haesit3t- [猶豫] [] haerôre的重復動詞 [緊緊抓住]

【引伸】
hes.itat.er
n.（名詞）
hes.itat.ingly
adv.（副詞）
<參考詞匯><同義詞>hesitate,vacillate,waver,falterThese verbs mean to be uncertain, irresolute, or indecisive.Tohesitate is to hold back or pause because of doubt or uncertainty, as about what to do or say:
這些動詞意為不肯定、優(yōu)柔寡斷或猶豫不決。Hesitate 是指因為懷疑或不確定，如不知做什么或說什么而退縮不前或停下來：
例句：
.A President either is constantly on top of events or, if he hesitates, events will soon be on top of him. (Harry S Truman).
.一位總統(tǒng)要么經常地駕馭各種事件要么為事件所駕馭，如果他猶豫的話. （哈里·S·杜魯門）。

Vacillate implies going back and forth between alternative,usually conflicting courses without making a final decision:
Vacillate 意味著在兩種選擇之間搖擺不定，通常為互相沖突的兩種辦法而不能最終做出決斷：
例句：
She vacillated so long about attending the concert that when she decided to go, the tickets were sold out.
她為是否去聽音樂會躊躇了很久，當她決定去時，票已售光了 。

Waver suggests a delay in taking action once a choice has been made,as if the decision were being reconsidered:
Waver 暗示著做出選擇后拖延著做出實際行動，好似重新考慮決定似的：
例句：
After much wavering he finally gave his permission. Tofalter is to be unsteady in resolution or action, as from fear or loss of courage:
大費躊躇后，他最終同意了。 Falter 意為因害怕或缺乏勇氣而在做決定或行動時搖擺不定：

例句：
The performer faltered in the middle of the show.
在表演中的表演者支支吾吾。

例句：
The marine never faltered in his duty.
那位海軍陸戰(zhàn)隊士兵執(zhí)行軍務時從未猶豫不決。