Its a waste of time.

这是在浪费时间。

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Until recently the general attitude toward daydreaming remained hostile. Daydreaming was viewed as a waste of time. Or it was considered an unhealthy escape from real life and its duties.

不久前人们对白日做梦一般还是持批评的态度，认为它浪费时间，是逃避现实生活及其责任的一种不健康的倾向。

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And for the purposes of investment decisions, the second group didn't matter; tracking its spending habits or worrying over its savings rate was a waste of time.

投资决策的目的，第二种人并不关心。调查他们的消费习惯，关心他们的储蓄率根本就是浪费时间。

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The Transportation Security Administration tacitly admitted last week that a big part of its job is a complete waste of time.

WSJ: Thanks for the Headlines, TSA

The multiple layers of review at the Big Pharma company can be a waste of its own time.

FORBES: Can the Big Pharma Elephant Learn to Dance?

Sierra Leone's status as a model for post-conflict recovery has had an insidious effect on its bureaucrats, many of whom waste a lot of time inveigling themselves into delegations to conferences and seminars abroad, where they receive handsome allowances.

ECONOMIST: Bad apples are still in the barrel