不可撤銷信用證

irrevocable letter of credit

no; not so / (bound form) not; un-

cannot / should not / must not

cannot; should not; must not

can / may / able to / to approve / to permit / to suit / (particle used for emphasis) certainly / very

used in 可汗[ke4 han2]

to remove / to take away / to withdraw

to remove; to take away

to repeal / to revoke / (computing) to undo

to melt (metal) / to cancel or annul / to sell / to spend / to fasten with a bolt / bolt or pin

letter / mail / CL:封[feng1] / to trust / to believe / to profess faith in / truthful / confidence / trust / at will / at random

to trust / credit (commerce) / trustworthiness / creditworthiness

trustworthiness / (commerce) credit / (literary) to trust and appoint

to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore

letter of credit

certificate / proof / to prove / to demonstrate / to confirm / variant of 症[zheng4]