Residential zone is a weak link of signal coverage.

居民住宅区是信号覆盖的一个薄弱环节。

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It seems as though there is a weak link in the ha chain.

似乎在ha链中有一个弱链接。

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People can be a weak link in an otherwise secure network.

人们可以在一个安全的网络，否则的薄弱环节。

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In an interview via Skype, Mia Hashibe said there was a weak link between cancer risk and drinking decaffeinated coffee, but it wasn't statistically significant.

VOA: standard.2010.06.30

Yet for all the recent progress in supply chains, a weak link remains--the link between product development and manufacturing.

FORBES: Magazine Article

Consistent with that rather gloomy finding, some new research finds only a weak link between the rule of law and economic growth.

ECONOMIST: Economics and the rule of law

Gatland picked out the Northampton player, 24, as a weak link ahead of the opening Six Nations encounter in Cardiff on 4 February.

BBC: Johnson backs Hartley to respond to Gatland criticism