| I | dumbfound |
|---|---|
| you | dumbfound |
| he/she/it | dumbfounds |
| we | dumbfound |
| you | dumbfound |
| they | dumbfound |
| I | dumbfounded |
|---|---|
| you | dumbfounded |
| he/she/it | dumbfounded |
| we | dumbfounded |
| you | dumbfounded |
| they | dumbfounded |
| I | have | dumbfounded |
|---|---|---|
| you | have | dumbfounded |
| he/she/it | has | dumbfounded |
| we | have | dumbfounded |
| you | have | dumbfounded |
| they | have | dumbfounded |
| I | had | dumbfounded |
|---|---|---|
| you | had | dumbfounded |
| he/she/it | had | dumbfounded |
| we | had | dumbfounded |
| you | had | dumbfounded |
| they | had | dumbfounded |
单语范例（未经PONS编辑处理）
If only a quarter of these ring into the studio, that is 6 calls, more than enough to dumbfound a nave audience.
en.wikipedia.org When the final buzzer sounded, the crowd was dumbfounded and disappointed.
en.wikipedia.org When the lightning bolt misses and strikes something at the base of the mountain, the teachers are dumbfounded.
en.wikipedia.org The tale features a player who is dumbfounded by the gamemaster's description of a nearby gazebo, as he has never heard of a gazebo.
en.wikipedia.org There were those in the audience who were dumbfounded by her stupidity.
en.wikipedia.org