to be obliged to do something
01
to have a moral duty or be forced to do a particular thing, often due to legal reasons
コロケーション
例
After receiving such generous help from her neighbor, she felt obliged to return the favor by watching their pets while they were away.
somebody would be obliged if
01
used as a polite way to request someone to do something, often suggesting a sense of gratitude in advance for the favor being asked
例
I'd be obliged if you keep this to yourself.
