Помогите!!! Напишите значение слов и выражений на британском языке :

yell - shout something or make a loud noise, usually when you are angry, in pain, or excited;

activate - make something start working or happening;

embarrass - cause someone to feel nervous, worried, or uncomfortable;

teased - be laughed by someone or to be said unkind things about yourself, either because someone is joking or because someone wants to upset you;

irrational - not based on reason or clear thinking; not reasonable;

melt away - disappear slowly;

trigger - a part of a gun that causes the gun to fire when pressed; an event, situation that causes the start of something, especially something bad.