secure
/səˈkjʊr/
形容词
牢靠的；牢固的
That ladder doesn't look very secure to me.
那梯子我看不太稳固。
无忧无虑的；安心的
Children need to feel secure in order to do well at school.
孩子们需要感到安心才能在学校中学习好。
可靠的；牢靠的；稳固的
Her promotion has made her position in the company more secure.
她的升职使她在公司的地位更加稳固。