mumbles造句

When the old lady speaks she often mumbles her words.
这位老妇人说起话来常常含糊不清.

From his staff he earned the sobriquet "Mumbles".
他的员工给他起了个“咕哝虫”的绰号。

He always mumbles when he's embarrassed.
他感到难为情时说话就含糊不清了.

He always mumbles when he’s embarrassed.
他感到难为情时说话就含糊不清了。