引用自 $Luke ☬：

what can i do to make all 5 levels of one badge ?

Buying/trading cards from Steam Community Market.

But it cant be made with idle master ?

Nope.

Is there a limit to how many trading cards can drop?
Most games will drop a number of cards equal to about half the number of cards in that game's set of cards. For example, Half-Life 2 has 8 cards in its set, you can receive 4 card drops by playing it. You'll need to collect the other half of the set from other community members. Try the beta group discussions, community market, barter with friends, and trade discussions. You can check how many drops you have remaining on your badges page.

http://psteamcommunity.yuanyoumao.com/tradingcards/faq

to bad, shet, ty very much

引用自 $Luke ☬：

to bad, shet, ty very much

Well for what it's worth, you at least understood and accepted this. It starts to physically hurt when the person asking tries to start arguing with the people giving them the information and you're just sitting there going "It's not a debate. This is how it works. You can't negotiate with us to change how it works." So good job.