A stumbling block
n. 绊脚石
🧩 词语组成解析
a. 障碍的
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
I'm concerned.
我很担心。
Try (your friend) before you trust him.
朋友要经考验，才能取得信任。
Well, we can't take Polly with us. Could you look after her for me while we're away?
嗯，我们不带波利去。我们不在这里时，您能帮我照料它吗？