1. Against: This is the most common translation when "wrth" is used in a prepositional phrase.
* Example: "Wrth y wal" - Against the wall.
* Example: "Wrth ei fwyn" - Against his will.
2. While: This is used when "wrth" indicates simultaneous actions.
* Example: "Wrth i mi siarad, roedd hi'n gwrando." - While I was talking, she was listening.
3. During: This is similar to "while" but can sometimes be used for longer periods of time.
* Example: "Wrth y nos" - During the night.
4. As: This is used when "wrth" indicates a comparison or a description.
* Example: "Wrth y môr" - As/Like the sea.
5. By: This is used when "wrth" indicates a method or means.
* Example: "Wrth y ffordd" - By the way.
* Example: "Wrth law" - By hand.
6. With: This is used when "wrth" indicates accompaniment.
* Example: "Wrth fy nghyfaill" - With my friend.
7. According to: This is used when "wrth" indicates a source of information.
* Example: "Wrth y cyfraith" - According to the law.
It's important to consider the context in which "wrth" is used to determine the most accurate English translation.