certainly

当然是真的

used to strongly state that something is a fact

毫无疑问，这是真的。

肯定是假的

used to strongly state that something is not true

用于表示某事毫无疑问是不真实的。

当然有趣

used to affirm that something holds one's attention or curiosity

用于确认某事引起了人的注意或好奇心

肯定有用

used to affirm the practical value of something

绝对有用

当然值得

used to strongly recommend something as valuable or worthwhile

用于强烈推荐某事是有价值或值得的

肯定有罪

used to express a strong belief in someone's culpability

当然愿意

used to emphasize one's readiness or desire to do something

用于表达对意愿的毫无疑问。

当然可以理解

used to show agreement that a reason or feeling is easy to comprehend

强调某事合理性的确定无疑。

当然有帮助

used to affirm that something will be beneficial

用于确认某事将是有益的

当然需要

used to emphasize a requirement for something

用于强调对某物的需求

当然希望

used to express a strong wish, often followed by 'so' or 'not'

用于表达强烈的愿望，常后跟'so'或'not'

当然推荐

用于表示对推荐充满信心、毫无疑问。

当然记得

used to affirm that one has a clear memory of something

用于确认某人对某事有清晰的记忆

无疑表明

根据证据表明某事很可能是真的。

当然值得

用于强烈调某人应得某物。

当然会改善

used to state confidence that something will get better

用于表示对某事会变得更好的信心

当然更喜欢

used to state a strong preference for one thing over another

毫无疑问地、自信地表达偏好

当然会导致

used to affirm that something will result in a particular outcome

用于确认某事将导致特定的结果

当然值得

绝对值得某事，如关注或考虑。

当然值得

more formal

绝对足够重要，足以使某项行动成为必要