Definition
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diffyg
Diffyg yw pan nad oes digon o rywbeth sydd ei angen neu ei dymuno.
Lack is when there is not enough of something that is needed or desired.
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Mae diffyg arian yn gorlwydo yn ein teulu.
There is a lack of money overwhelming our family.
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Mae diffyg gwybodaeth yn gallu achosi camddealltwriaeth.
A lack of information can cause misunderstanding.
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Mae diffyg amser yn anodd i'r myfyrwyr.
A lack of time is difficult for the students.