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.
例句
						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.
						莱希博士在办公室里看起来没有那么谨小慎微,放松了许多。