1. 降低…的价值;贬低
To devalue something means to cause it to be thought less impressive or less deserving of respect.

1. lose in value

e.g. The dollar depreciated again

Synonym: depreciateundervaluedevaluate

2. lower the value or quality of

e.g. The tear devalues the painting

3. remove the value from
deprive of its value

Synonym: devaluate