to yield / to permit / to let sb do sth / to have sb do sth / to make sb (feel sad etc) / by (indicates the agent in a passive clause, like 被[bei4])
让
=
上
+
讠
:
Robinson Crusoe badly needs to use anglepod's bathroom, but currently it's under renovation. On the toilet seats there's a sign saying "上" and pointing to an advertising column, so Robinson thinks that they just want him to sit on top of the advertising column, and indeed there's a hole at the top of the column.