Using both lips (a "p-like" sound) instead of teeth-on-lip.
Especially tricky for speakers of: Korean, Japanese, Tagalog.
These two words differ by exactly one sound. Tap both — can you hear it?
Record yourself saying fall, then compare with the target. Your audio stays on this device — nothing is uploaded.
Tap the speaker to hear each word; tap the word for its full pronunciation page.