http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
英语
西班牙语
I. backfire 动词 不及物动词 [美 ˈbækˌfaɪ(ə)r, 英 bakˈfʌɪə]
II. backfire 名词 [美 ˈbækˌfaɪ(ə)r, 英 ˈbakfʌɪə]
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- detonaciones fpl
在《PONS词典》中的词汇
英语
西班牙语
在《PONS词典》中的词汇
| I | backfire |
|---|---|
| you | backfire |
| he/she/it | backfires |
| we | backfire |
| you | backfire |
| they | backfire |
| I | backfired |
|---|---|
| you | backfired |
| he/she/it | backfired |
| we | backfired |
| you | backfired |
| they | backfired |
| I | have | backfired |
|---|---|---|
| you | have | backfired |
| he/she/it | has | backfired |
| we | have | backfired |
| you | have | backfired |
| they | have | backfired |
| I | had | backfired |
|---|---|---|
| you | had | backfired |
| he/she/it | had | backfired |
| we | had | backfired |
| you | had | backfired |
| they | had | backfired |
PONS词典中的例句（已经编辑处理）
单语范例（未经PONS编辑处理）
So vice-chancellors have to spend a lot of time looking for additional resources and that can be extremely time-wasting.
www.universityworldnews.com While it is an expression of at least a moderate amount of manual dexterity, thumb twiddling is frequently used as an example of a useless, time-wasting activity.
en.wikipedia.org Another selling point: none of the flight delays, random pat-downs or other time-wasting indignities now routine in commercial travel.
www.theglobeandmail.com Operations based on them are little more than unauthorized liaison with the enemy, and usually time-wasting exercises in futility.
en.wikipedia.org This led to time-wasting and obstruction and presented opportunities for embezzling ships' stores.
en.wikipedia.org