公司需要一个能认真执行决定的人。

Gōngsī xūyào yí gè néng rènzhēn zhíxíng juédìng de rén.

The company needs someone who can seriously carry out decisions.

这个计划已经开始执行了。

Zhè ge jìhuà yǐjīng kāishǐ zhíxíng le.

This plan has already begun to be carried out.

如果各部门不能有效执行新的制度，改革就很难成功。

Rúguǒ gè bùmén bù néng yǒuxiào zhíxíng xīn de zhìdù, gǎigé jiù hěn nán chénggōng.

If each department cannot effectively carry out the new system, the reform will be hard to succeed.