开展 + Activity/Work
开展 (kāizhǎn) means "to carry out" or "to launch," typically used with activities, campaigns, or work. It has a somewhat formal tone and is common in news and official contexts.
学校正在开展一项环保活动。
Xuéxiào zhèngzài kāizhǎn yí xiàng huánbǎo huódòng.
The school is carrying out an environmental protection campaign.
社区开展了免费健康检查服务。
Shèqū kāizhǎn le miǎnfèi jiànkāng jiǎnchá fúwù.
The community launched a free health checkup service.
我们打算下周开展新一轮的培训。
Wǒmen dǎsuàn xià zhōu kāizhǎn xīn yì lún de péixùn.
We plan to launch a new round of training next week.