She hired on as a baby sitter.

她当了临照看孩子保姆。

The purse in her handbag is a sitter for any thief.

她手提袋里钱包小偷很容易偷走。

Can't you find a baby sitter?

你不能找个临保姆吗？

Bumbo baby sitter seat.

可有可无，我们打算要。