双管齐下

kòng zhì rén kǒu zēng zhǎng hé tí gāo rén kǒu sù zhì yào shuāng guǎn qí xià

控制人口增长和提高人口素质要双管齐下。

We should control population growth and at the same time promote population quality.

wǒ men huì zài ruǎn yìng jiàn liǎng fāng miàn shuāng guǎn qí xià yǐ bǎo zhèng qiú duì zhàn dòu lì

我们会在软硬件两方面双管齐下，以保证球队战斗力。

We will work on hardware and software in parallel in order to guarantee the team's fighting strength.

měi guó háng kōng háng tiān jú zuò le liǎng shǒu zhǔn bèi liǎng tào cè lüè shuāng guǎn qí xià

美国航空航天局做了两手准备，两套策略双管齐下。

NASA is hedging its bets and adopting both strategies.