He was a good friend, a dependable companion.
他是一个很好的朋友，一个可以信赖的伙伴。
He was dependable, straightforward, the boy next door
他可靠、坦率，是邻家男孩那种类型。
He is dependable in work.
他办事四平八稳。
He's totally unreliable as a source of information.
他提供的消息完全不可信。
10% of the data was discarded as unreliable.
10%的数据因不可靠而被废弃。
The trains are notoriously unreliable.
火车不准点是出了名的。