猜詞語：沒有或很少遇到困難

Which is the more appropriate word here "古人" or “古代” ? 广州又叫 “羊城”，传说是因 _______ 有五位仙人骑着羊来到广州而得名。 Which is the more appropriate word here "古人" or “古代” ? Thanks.

How to make these into Chinese sentences? (To make it sound more naturally when pronounced orally.) Learning Chinese wasn't difficult, but being able to master it and remember every character learned, wasn't that easy. Wealthy people can buy all things they wanted to buy. My family just came back from China, they bought a piece of calligraphy, which was very beautiful.

how to express "I'm preparing a report for tomorrow's presentation infront of the class"?

Is there other shorter term commonly used to express a feeling of "虛擬的希望"? Something like 他總帶來會讓人失望的希望 ? Just wonder maybe there's any slank Mandarin words to express it?

does anybody know how to say this proverb in Chinese? Empty Vessels make most Sound  If there's no exactly same one, maybe something with similar meaning. Thank you.

What will be the best translation for "I'll be able to swim this summer."

这个夏天我就会游泳了。

到了这个夏天，我一定学会游泳。

这个夏天，我将学会游泳了。

一到夏天，我就学好游泳了。

在夏天到之前，我想学会游泳。

上年我買了新電腦 上年我買了電腦。 一天晚上我去廣場要走走，跟家人。 我問爸爸如果我要看看電腦在電腦店。因為我想要買新的電腦。我問店員多少錢。他說一個 一千三百萬多印尼幣。爸爸說我可以買。啊！我很高興！

a conversation about buying or selling car

You're meant to exchange your old car for a new one, and you want to lobby for a good price.