W waive lever, déroger à syn. lift Government officials say officials in Brazil may waive visa requirements for visitors coming to watch the 2016 Rio Games. wary méfiant During President Obama's visit to Alaska in August 2015, commentators noted that American commanders were becoming increasingly wary of Russia's growing military presence in the Arctic. watchdog observatoire Teachers' unions have expressed concerns that many school teachers in Britain fear falling foul of Ofsted*, the British government's schools watchdog, if they are not seen to be proactive enough in "spying" on their students to counter extremism. * Office for Standards in Education, Children's Services and Skills (UK) watershed tournant, événement décisif On the 50th anniversary of the launching of the Cultural Revolution in May 1966, which is viewed as a watershed in Chinese history, China watchers reported that there was no official celebration of the event. 153