ADJ-GRADED 谨慎的;小心在意的;警惕的 If you describe someone as guarded, you mean that they are careful not to show their feelings or give away information. 谨慎的;小心在意的;警惕的
The boy gave him a guarded look.
那个男孩充满戒心地瞧了他一眼。
In the office, Dr. Lahey seemed less guarded, more relaxed.