To feel like a million. = To feel great rejuvenated.
After I work out at the gym I feel like a million.
Turn up. = Appear.
I can't find my glasses but I'm sure they'll turn up somewhere.
Take seriously. = Consider to be important.
When I was younger I never took my father's advice seriously.
Swamped with. = Very very busy.
を （・・・で） 忙殺する。
I'm sorry I could not get back to you, we've been swamped with phone calls all morning.
To have one's eyes on. = To watch closely.
I've had my eyes on a new camera for a long time but I haven't had the money to buy it.
To see off. = To go to the departure point with someone.
( 人を ) 見送る。
My son is going to America tomorrow, so I must go to the airport to see him off.
Work like a charm. = To work perfectly.
I had my car repaired recently and now it works like a charm.
Work like a dog. = To work extremely hard.
At the end of the year everyone must work like a dog to finish our work on time.
Rave. = To speak highly of.
Grandparents usually rave about their grandchildren.
Hold it ! = Wait for a short time
Hold it for a minute while I find my keys.