조차 안

not even

→ 조차
phrase Rare #24,978
not even 조차 emphasizes that not even the smallest or most expected thing happens; 안 negates the verb that follows.
KO: 그는 물조차 안 마셨어요.
EN: He didn’t even drink water.

인사 조차 안 했다.

He didn't even say hello.