Realise是动词，主要含义包括意识到和实现。在英式英语中，realise比realize更常用。在美式英语中，realize是标准拼写。两者意思相同，用法一致。
Realise表示意识到某种情况或事实，并意识到其重要性或影响。例如：I realised that my mistake had caused me to lose a lot of money. She realised the importance of taking care of her health.
Realise还可以表示实现某种目标或梦想，需要付出一定努力。例如：I realised that I needed to work harder to achieve my goal. She realised that she had to work hard to succeed in her studies.
意识到某种情况或事实通常是一个瞬间过程，而实现某种目标或梦想通常需要更长时间和更多努力。例如：I realised that I needed to start my own business after years of hard work. She realised that she had to work even harder to achieve her dream of becoming a doctor.
在不同语境下，realise的用法有所区别。在商业领域，realise可以表示实现价值。例如：The company realised significant profits after implementing new strategies.
realise是一个多义词，具体含义根据上下文而定。无论是意识到还是实现，realise都强调对事实或目标的认知和达成。