?1. powerless是無能為力的意思。指無力或無能力去做某事，通常用來形容人或事物。

2. powerless的讀音為[pauls]，音標(biāo)為英 [pals]，美 [parls]。

3. powerless的用例：

例句1：She felt powerless to s the car from crashing into the tree.

她感到無能為力，無法阻止車子撞向樹木。

例句2：The government seems powerless to solve the economic crisis.

似乎無能為力解決經(jīng)濟(jì)危機(jī)。

例句3：He was rendered powerless by the illness and had to rely on others for help.

他因病而無能為力，不得不依賴他人的幫助。

例句4：The team felt powerless against their opponents' strong defense.

這支球隊(duì)感到在對(duì)手強(qiáng)大的防守面前毫無辦法。

例句5：She was left feeling completely powerless and helpless in the face of injustice.

面對(duì)不公正的情況，她感到完全無助和無能為力。

4. powerless可以與其他詞組合成以下詞語：

- powerlessness (n.) 無能為力

- powerlessly (adv.) 無力地

- powerlessnesses (pl.n.) 無能為力的狀態(tài)

- powerlessly (adj.) 無權(quán)威的

5. powerless在中文中可以翻譯為“無力的”、“無能為力的”，可以用來形容人或事物。：

- He was rendered powerless by the illness and had to rely on others for help. (他因病而無能為力，不得不依賴他人的幫助。)

- The government seems powerless to solve the economic crisis. (似乎無能為力解決經(jīng)濟(jì)危機(jī)。)

6. 總結(jié)：powerless是一個(gè)形容詞，意思是“無能為力的”，常用來形容人或事物。它的讀音為[pauls]，可以與其他詞組合成相關(guān)詞語，如powerlessness、powerlessly等。在中文中可以翻譯為“無力的”、“無能為力的”。