wondering

动词 wonder:

1. have a wish or desire to know something
   同义词：wonder, inquire, enquire
2. place in doubt or express doubtful speculation
   同义词：wonder, question
3. be amazed at
   同义词：wonder, marvel

形容词 wondering:

1. showing curiosity
   同义词：inquisitive, speculative, questioning

1. I am wondering if the letter is over-weight.
   我不知道这信是否超重了。
2. I was just wondering about that myself.
   我就是觉得这件事莫名其妙。
3. I cannot help wondering about that girl.
   我不免对那个女孩感到惊奇。
4. I was wondering if you were doing anything this weekend.
   我想知道这个周末你有什么要做。

won.der.ing

adj.（形容词）
Feeling or expressing awe, admiration, amazement, or surprise.
惊奇的，诧异的：感觉或表达敬畏、钦佩、吃惊或惊奇的

【引伸】
won.deringly
adv.（副词）