✅ 同义词
🗣️ 情景例句
His excuse sounds unconvincing.
他说的理由好像不可难。
If the sky fll (or falls), we shall catch larks.
异想天开
The noise had been so faint that no one though that the ship had been damaged.
由于这个声音非常轻，没人会想到船身已遭损坏。