trusty

可靠的、值得信赖的多用于熟悉的旧物，带诙谐语气

He rode into town on his trusty old bicycle again.

他又骑著那台可靠的老自行车进城。

忠心的、忠实的旧式

The knight was never without his trusty companion.

那位骑士身边总是跟著他忠心的伙伴。

模范囚犯美式

As a trusty, he was allowed to work in the prison kitchen.

身为模范囚犯，他获准在监狱厨房工作。