chair
椅子;(会议的)主席;大学教授的职位;任(会议的)主席,主持(会议)
【例】He was nominated as chair of the board of governors.
他被提名为董事会主席。
challenge
挑战;质疑;向……挑战;指责;提出挑战
【例】No one dares to challenge the president’s authority in the company.
公司内没有人敢挑战董事长的权威。
change
改变;交换;换衣,换车(或船等);变化;零钱
【例】Could you give me some changes for taking subway?
你能给我点零钱坐地铁吗?
channel
(商品流通的)渠道
【例】The U.S. is working through diplomatic channels to find a solution.
美国正在通过外交途径寻求解决办法。
charge
费用;照管;控告;充电;索(价);装载;指责;使饱和;命令;归罪于;收费
【例】The property management department charges the residents for the property management fees.
物业管理部门向居民征收物业管理费。