力所能及

面对复杂多变的外部环境，我们做事必须做到力所能及。

miàn duì fù zá duō biàn de wài bù huán jìng, wǒ men zuò shì bì xū zuò dào lì suǒ néng jí.

Faced with a complex and ever-changing external environment, we must do what we can within our capabilities.

每个人都应该在自己力所能及的范围内，积极为公益慈善事业贡献力量。

měi gè rén dōu yīng gāi zài zì jǐ lì suǒ néng jí de fàn wéi nèi, jī jí wéi gōng yì cí shàn shì yè gòng xiàn lì liàng.

Everyone should actively contribute to public welfare and charity within their own ability.