to watch someone closely to ensure they do something correctly
observar a alguien de cerca para asegurarse de que haga algo correctamente (observar a alguien de cerca para asegurarse de que haga algo correctamente)
"The teacher stood over the students during the exam."
"El profesor estaba observando a los estudiantes durante el examen." (El profesor **estaba observando** a los estudiantes durante el examen.)
to add a comment or opinion in an online discussion
to connect or combine different ideas or organizations into...
to keep practicing even after difficulties
to match or connect with a particular plan or idea
to clean the floor by brushing dirt together
to use existing advantages or abilities to achieve more succ...