not worth the salt 不称职 ; 无能
No golf teacher worth his salt would ever recommend that you grip the club tightly.
没有哪位称职的高尔夫教练会建议你紧紧地握住球杆。
But the real reason to give your loved one chocolates is because any loved one worth her salt will turn right around and offer you some.
可真正你送她巧克力的原因是因为任何一个值得你为之付出的她反过来都会为你付出。
They suggest that any alien civilisation worth its salt would alight not on the photons of the electromagnetic spectrum-whether optical or radio-frequency-to send messages to other solar systems.
他们指出,任何有头脑的外星文明都不会发射电磁波谱中的光子——无论是可见光波段还是射频波段——向另一个太阳系传送信息。
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