?encountering是一個動詞，意為“遇到，遭遇”。它的名詞形式為encounter。

用法：

encountering可以用作及物動詞和不及物動詞。作為及物動詞時，它后面通常跟著賓語；作為不及物動詞時，它后面可以跟介詞或副詞。

例句1-5句且中英對照：

1. She was surprised when she encountered her old friend on the street. 她在街上遇到老朋友時感到驚訝。

2. The hikers encountered many difficulties on their journey through the mountains. 徒步旅行者在穿越山區的旅程中遇到了許多困難。

3. The company is encountering financial problems due to the economic downturn. 公司因經濟下滑而遇到財務問題。

4. I never expected to encounter such a kind and helpful stranger on my trip. 我從沒想過在旅途中會碰到這么友善樂于助人的陌生人。

5. The soldiers were prepared for any danger they might encounter on the battlefield. 士們準備好應對戰場上可能遭遇的任何危險。

同義詞及用法：

1. face：意為“面對”，強調面對困難或挑戰時的勇氣和決心。：We must face the reality and find a solution. 我們必須面對現實并找到解決辦法。

2. experience：意為“經歷”，強調經歷過的事情對個人的影響。：She has experienced many hardships in her life. 她在生活中經歷過許多艱辛。

3. undergo：意為“經歷，遭受”，強調經歷的過程和結果。：He underwent a major surgery last year and recovered quickly. 他去年接受了一次大手術，但很快就康復了。

4. confront：意為“面對，遭遇”，強調面對困難或挑戰時需要勇氣和決心。：We must confront our fears and overcome them. 我們必須面對恐懼并克服它們。

5. come across：意為“偶然遇到”，強調偶然性。：I came across an interesting book in the library yesterday. 昨天我在圖書館偶然了一本有趣的書。