This article explains the difference between “ryokai shimashita” and “shouchi shimashita,” two expressions that both roughly translate to “understood” in English.
The Meaning of “Ryokai Shimashita”
At its core, this phrase means recognizing an objective fact or piece of logic accurately, and approving it on that basis. The speaker processes the information or situation through their own judgment, then confirms, “I understand this, and I agree it’s correct.” Because of this, the judgment stays with the speaker.
This gives the phrase a clear advantage: it shows exactly how well you’ve understood something. At the same time, in a relationship between two people, it can carry a subtle sense of the speaker looking down from a slightly higher position — as if approving or permitting the other person’s proposal or situation.
The Meaning of “Shouchi Shimashita”
This phrase means accepting someone else’s request and taking on responsibility for carrying it out. Rather than approving something from your own judgment, it reflects humbly receiving the other person’s wishes and declaring your intent to complete the task you’ve been asked to do.
The key difference is where the weight of each phrase falls: “ryokai” centers on completing an intellectual process — understanding and approval. “Shouchi” centers on deference to the other person and a commitment to follow through — acceptance and undertaking.
How to Use Them Properly in Business
| Relationship | Medium | Recommended Expression | Practical Point |
| Clients / business partners | Email, chat | Shouchi itashimashita / Kashikomarimashita | Shows the highest level of respect and responsibility for the task, which helps build trust. |
| Superiors | Shouchi itashimashita / Shouchi shimashita | Keeps the formality needed for a written record; state the next action and deadline clearly. | |
| Superiors | Chat | Shouchi shimashita / a simple reaction | Keeps the pace quick while staying polite. |
| Colleagues, subordinates | Chat | Ryokai shimashita / Ryokai desu / a simple reaction | Avoids overly formal language; prioritizes psychological safety and fast information sharing. |
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