But the hearing impaired are accustomed to thinking visually, so they have a hard time grasping character signs. As a result, they only half understand many words, and must exercise great patience to learn to use them with facility.
只是對習慣「眼見為憑」、認知能力往往發展不足的聽障者來說，文字手語不是他們能「抓得住」的，許多語意即使比出來也是似懂非懂，必須要以極大的耐心才能慢慢熟習並運用自如。