?beat是一個英語單詞，可以用作動詞或名詞，它有多種含義。作為動詞時，beat的意思是“打敗”、“擊敗”、“戰勝”，也可以指打擊、敲打或跳動等。作為名詞時，beat可以指節拍、節奏或心跳等。

用法：

1. beat作為動詞時，常與介詞at連用，表示“打敗”、“擊敗”、“戰勝”。：

- The team was able to beat their opponents in the final match. (這支隊伍在最后一場比賽中成功擊敗了對手。)

- She beat her personal record in the race. (她在比賽中打破了自己的個人紀錄。)

2. beat也可以表示“敲打”、“擊打”，常與物體連用。：

- He beat the drum loudly to attract people's attention. (他大聲敲鼓以吸引人們的注意力。)

- The rain was beating against the window all night. (雨水整晚都在敲打著窗戶。)

3. 除了表示實際的物理動作外，beat還可以表示抽象的概念，“戰勝”、“克服”。：

- She finally beat her fear of public speaking and gave a great speech at the conference. (她終于克服了公眾演講的恐懼，在上做出了精彩的演講。)

- The team managed to beat the odds and win the championship. (這支隊伍成功戰勝了不利的情況，贏得了冠。)

4. beat也可以表示“跳動”、“心跳”。：

- My heart was beating so fast when I saw her. (當我看到她時，我的心跳得很快。)

- The music had a strong beat that made everyone want to dance. (音樂有著強烈的節奏，讓每個人都想跳舞。)

例句：

1. After months of hard work, she finally beat her rival and won the championship.

（經過數月的努力，她終于戰勝了對手，贏得了冠。）

2. The students were beating their desks with excitement as the teacher announced the field trip next week.

（老師宣布下周要去實地考察時，學生們興奮地敲打著課桌。）

3. He managed to beat his addiction and has been sober for three years now.

（他成功戰勝了癮癥，現在已經三年沒有再了。）

4. Her heart skipped a beat when she received the surprise gift from her boyfriend.

（當她收到男朋友的驚喜禮物時，她的心跳都停頓了一下。）

5. The song had a catchy beat that stayed in my head all day long.

（這首歌有著很吸引人的節奏，讓我整天都在哼唱。）

同義詞及用法：

1. defeat：指“擊敗”、“戰勝”，強調從對手或困難中獲得勝利。

2. conquer：指“征服”、“克服”，強調最終戰勝或克服某種困難或挑戰。

3. strike：指“打擊”、“擊打”，強調用力打擊某物。

4. pulsate：指“跳動”、“搏動”，強調有規律地跳動或搏動。

5. rhythm：指“節奏”、“韻律”，強調音樂、詩歌等的有規律的重復。

以上就是beat的意思，用法以及相關例子和同義詞。希望這篇字典能夠助你明白這個詞，也能夠幫助你在寫作和交流中更加準確地運用它。此文由筆名“Jack”撰寫，以魯迅先生的風格模仿而成。