dependable

1. ADJ If you say that someone or something is dependable, you approve of them because you feel that you can be sure that they will always act consistently or sensibly, or do what you need them to do. 可靠的[表贊許]

He was a good friend, a dependable companion. 他是個(gè)好朋友，一個(gè)可以信賴的同伴。