rely
/rɪˈlaɪ/verb
(-ies, -ied)no obj.(rely on/upon)
1- depend on with full trust or confidence相信, 信赖：
I know I can rely on your discretion.
我知道我可以信赖你的谨慎。
1.1
- be dependent on依靠, 依赖, 依仗：
the charity has to rely entirely on public donations.
该慈善机构不得不完全依靠公众捐赠。
词源
Middle English: from Old French relier 'bind together', from Latin religare, from re- (expressing intensive force) + ligare 'bind'. The original sense was 'gather together', later 'turn to, associate with', whence 'depend upon with confidence'.