to prevent oneself or someone from doing something
evitar que uno mismo o alguien haga algo (evitar ke uno mismo o alguien haga algo)
"I couldn’t keep from laughing when he told the joke."
"No pude evitar reírme cuando contó el chiste." (No pude evitar reirme cuando conto el chiste)
to look very happy and healthy
to use what you have learned in a new situation
to increase efficiency and output of workers or industries
to end something earlier than planned
to make steady progress toward achieving success
to aim something at someone or something with force