The idiom "dark horse" refers to an unexpected or previously unknown candidate, team, or event that emerges as a contender in a competition or situation. It can also refer to someone who is secretly talented or skilled, but has not yet been recognized or appreciated for their abilities.

The idiom "speak up" means to speak out openly or frankly, especially during a meeting or discussion. It is used to encourage someone to share their thoughts or ideas when they are hesitant or reluctant to do so.

The idiom "love me, love my dog" is an expression that means a person's love or affection for someone or something cannot be separated from their love or attachment to something else connected to them.

The idiom "beck and call" is used to describe a situation where someone is easily accessible or responsive, either because they are physically close by or because they have made it easy for others to reach them.

The idiom "not have a clue" means to be completely ignorant or unaware of something, to not know anything about it, or to lack knowledge on a particular topic. It can also indicate that someone is confused or uncertain about a situation.