to contact someone to exchange updates
与某人联系以交流最新情况 (yu mouren lianxi yi jiaoliu zuixin qingkuang)
"I’ll check in with the vendor later today."
"我今天晚些时候会与供应商联系。" (wo jintian wanxie shihou hui yu gongying shang lianxi)
to contact someone by writing or message
to make someone understand what you mean
to have something as the main point or reason
to turn something on so it operates
to make people notice something
to fail completely in an embarrassing way