up for grabs
(idiom) something available to anyone who wants to try to get it 供人競購；供人爭取
Free tickets to tonight's play are up for grabs.
caliber
(n) the quality of someone or something, especially someone's ability 等級；水準
The skaters were all of such a high caliber that judging them was a challenge.
cobble together
(phr v) to make something quickly and not very carefully 倉促拼湊出來；倉促完成 (引申為倉促敲定)
Leslie cobbled together a costume at the last minute.
drum up
phr v) to increase interest in something or support for something (擊鼓) 召集；招徠
The band handed out free CDs to drum up ticket sales for their concert.
run rampant
(idiom) to happen in an uncontrollable and unrestrained manner 猖獗；蔓延
The kids ran rampant on the playground after school.
