[书] ❶ (谁) who: ~ 能当之? Who is worthy of (such responsibility)? 人非圣贤, ~ 能无过? Not everybody is a sage. Who can be entirely free from error? ❷ (哪个) which: ~ 胜 ~ 负 ? Who wins and who loses? ❸ (什么) what: 是可忍, ~ 不可忍? If this can be tolerated, what cannot? ◆孰是孰非 Who is right and who is wrong?; Which is right and which is wrong?