0 New HSK word(s):
1 Old HSK word(s): B N 疑问* → yi2wen4 doubt/ query/ question
疑问
Grade E word(s):
| Gb | Eng | Viet |
|---|---|---|
| 该函已退给（我方）要求对某问题加以解释. | The letter was referred back (to us) with a query. |  → |
| Gb | Eng | Viet |
|---|---|---|
| 该函已退给（我方）要求对某问题加以解释. | The letter was referred back (to us) with a query. | → |