it's six of one and half a dozen of the other
US /ɪts sɪks əv wʌn ənd hæf ə dʌzən əv ði ˈʌðər/
UK /ɪts sɪks əv wʌn ənd hæf ə dʌzən əv ði ˈʌðər/

1.
都一样, 半斤八两
used to say that two things are equally good or bad, or that it does not matter which one of two things is chosen
:
•
Whether we leave now or later, it's six of one and half a dozen of the other; we'll still hit traffic.
我们现在走还是晚点走,都一样;反正都会遇到交通堵塞。
•
You can choose the red one or the blue one, it's six of one and half a dozen of the other.
你可以选择红色或蓝色,都一样。