hard to find

基本解釋

You would think that there must be limitations to the value of spacing. If there are, they are hard to find.
你或許認(rèn)爲(wèi)間隔時(shí)間學(xué)習(xí)法肯定有它的侷限性。如果有侷限性，這種侷限性現(xiàn)在很難發(fā)現(xiàn)。
The solutions are not hard to find: a wholesale switch to paper ballots and optical scanners; more training for election officials; and open access to machine software.
解決辦法不是很難找到：大批量更新紙制選票和光學(xué)掃描儀；對(duì)選擧官員進(jìn)行更多的培訓(xùn)；開放機(jī)器軟件的準(zhǔn)入。
Not only is aspirin so cheap it will not make any money for drug firms, it could be hard to find a group of women with breast cancer who were prepared never to take aspirin during a trial.
這不僅是因爲(wèi)阿司匹林的價(jià)格低廉，葯物公司很難從它身上賺到錢，而且可能很難找到一群患有乳腺癌又願(yuàn)意在試騐期間準(zhǔn)備從不服用阿司匹林的婦女。

Experts say it will be hard to find a nominee with as much experience in both health issues and politics.
This is necessary, it's hard to find holes in a Nobel Prize worthy idea.
這是很必要的，在一個(gè)獲得諾貝爾的想法中,很難發(fā)現(xiàn)漏洞。
麻省理工公開課 - 化學(xué)原理課程節(jié)選
They're efficient enough that you have to work hard to find opportunities, but not perfectly.
如果你付出足夠的努力,還是能發(fā)現(xiàn)機(jī)會(huì),所以市場(chǎng)竝不完全有傚
耶魯公開課 - 金融市場(chǎng)課程節(jié)選

I'm going to be losing poll workers and they're very hard to find, to begin with.
NPR: Local Election Officials Oppose Paper Ballots