tread carefully
短语小心涉足
词形变化
treading carefully
treads carefully
三单
treads carefully
trod carefully
trodden carefully
treading carefully
现在分词
trod carefully
过去式
trodden carefully
过去式
trodden carefully
过去分词
释义与例句
v.
-
1.
To exercise precaution; to be careful with regards to the situation; to tread lightly.
习语