首鼠兩端

首鼠两端
shǒushǔliǎngduān
  1. (idiom) to hesitate
  2. to remain undecided

CEDICT

to be hesitant or indecisive

Wiktionary

形容躊躇不決，瞻前顧後的樣子。《史記．卷一○七．魏其武安侯傳》：「武安已罷朝，出止車門，召韓御史大夫載，怒曰：『與長孺共一老禿翁，何為首鼠兩端？』」清．紀昀《閱微草堂筆記．卷一八．姑妄聽之四》：「詭託於蹠犬之吠堯，是首鼠兩端，進退無據，實狡黠反覆之尤。」也作「首施兩端」、「首尾兩端」。

重編國語辭典

猶豫不決，持顧慮觀望的態度

維基詞典

Entry Composition

1 首鼠 shǒushǔ to hesitate
2 兩端 liǎngduān
  1. both ends (of a stick etc)
  2. two extremes

Related entries

夷猶 yíyóu to hesitate
犯嘀咕 fàndígu
  1. to hesitate
  2. to have second thoughts
  3. to be concerned
  4. to brood (over sth)
  5. to complain
猶疑 yóuyí to hesitate
猶豫 yóuyù to hesitate
不要猶豫去問問題。

Don't hesitate to ask questions.

Source: Tatoeba

躊躇 chóuchú
  1. to hesitate
  2. (literary) to pace back and forth
  3. (literary) self-satisfied
躊躇不決 chóuchúbùjué
  1. to hesitate
  2. indecisive
遲疑 chíyí to hesitate
躊躇不前 chóuchúbùqián
  1. to hesitate to move forward
  2. to hesitate
  3. to hold back
礙口 àikǒu
  1. to shy to speak out
  2. tongue-tied
  3. to hesitate
  4. too embarrassing for words
蹙 cù
  1. to knit (one's brows)
  2. wrinkled (of brows)
  3. to hesitate
  4. distressed
逡巡 qūnxún
  1. to draw back
  2. to move back and forth
  3. to hesitate
  4. in an instant