Mandarin Chinese Language School Singapore Trial Class Business Customized Online Effective Children Adult Learning Face-to-Face Accredited HSK Weekend Examination Course Experienced Group Immersive Study Tour Affordable Fun Professional Conversation Grammar Writing Listening Speaking Reading Pinyin Pronunciation Private Bilingual Syllabus Native Certification Classroom American Canadian Australian Japanese Netherlands Association Club Expatriates Oral Proficiency Interview OPI ACTFL ILR US Government Military DoD