1. The Love Family is either too casual for children — your friends have no obligation to provide for them — or it's too unstable, with adults moving on if the relationship no longer answers their search for perfect happiness.
    "情爱家庭"对孩子来说，要么太随意 —— 新的伴侣对你的孩子没有抚养责任，要么太不稳定，成年人一旦感到他们的关系无法满足自己对完美幸福的追求，就会转而他求。

2. His attitude to his job is rather casual.
    他的工作态度不太认真.

3. He noticed at once that discipline was slack: the Danes had the self-confidence of conquerors, and their security precautions were casual.
    他马上发现丹麦军纪律松弛，他们以征服者自居，安全措施马马虎虎。

4. "How was school today?" I asked, acting very casual.
    "今天学校上课怎么样？"我装作漫不经心地问他。

5. “Hi.” I tried to be casual. “My name is Liu Zongren. I come from Beijing, China.”
    “你好！” 我想随便点。“我叫刘宗仁。我来自中国北京。”

6. “In Africa, an eighteen-year-old woman might need a job because she had a baby before marriage and has only a casual relationship with the father, or she might have a husband who goes on to another marriage and supports the children of that union.”
    "在非洲，18岁的女子就可能需要一份工作，因为她还未结婚就生了孩子，而她与孩子的父亲只有一种若即若离的关系，或者她的丈夫可能另外结婚，需要负担婚内生的孩子。"

7. Casual conversation tends to be filled with repetitions and pauses.
    随意的交谈中常常有许多重复和停顿。