hollow
US /ˈhɑː.loʊ/
UK /ˈhɑː.loʊ/

形容词
1.
2.
空洞的, 无意义的, 不真诚的
without real value or meaning; insincere
示例:
•
His promises turned out to be hollow.
他的承诺结果是空洞的。
•
It was a hollow victory, with many casualties.
这是一场空洞的胜利,伤亡惨重。
名词
1.
凹地, 山谷, 洼地
a hollow place, especially a small valley or depression in the ground
示例:
•
They found shelter in a hollow in the hills.
他们在山丘的凹地里找到了避难所。
•
The children played in the hollow behind the house.
孩子们在房子后面的凹地里玩耍。
动词
在 Lingoland 学习这个单词